There were ________ people on the playground．

A．three thousands

B．thousand of

C．thousands of

D．three thousands of

We use ________ to make bowls and plates．

A．clay

B．sand

C．oil

D．leather

Metal ________ making machines．

A．is used by

B．is used as

C．is used for

D．is used to

－What can you ________ the hens?

－Eggs．

A．get on

B．get from

C．get back

D．get along

根据句意从括号中选择正确的单词并填写在空白处。

________ are used for cutting things．(Knives; Knife)

根据句意从括号中选择正确的单词并填写在空白处。

She put the beautiful flowers in the ________．(vase; pot)

根据句意从括号中选择正确的单词并填写在空白处。

The ________ belt costs 300 yuan．(skin; leather)

根据句意从括号中选择正确的单词并填写在空白处。

The ________ ruler is my brother's．(wood; wooden)

根据句意从括号中选择正确的单词并填写在空白处。

This is a ________ coat．It is made of ________．(wool; woolen)

选词填空：从方框中选择正确的单词并填空。

1．They provide both shelter and food ________ animals and insects．

2．People ________ Shanghai speak English well．

3．Oil and coal come ________ the plants and animals that died millions of years ago．

4．Birds ________ their nests in trees．

5．We must stop ________ down the forests．

6．People in poor countries burn wood ________ fuel．